Question
Explain the methods of controlling insect pests.
Example: Chloropyriphos.
Example: Malathion, lindane and thiodan.
Example: Dimethoate and metasystox.
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Distinguish between the following:
Chromoplast and chloroplast.
Define: (i) Hypertonic solution; (ii) Hypotonic solution; (iii) Isotonic solution.
What do you mean by passive and active transport? Write a note on diffusion.
Define the following terms:
Give three functions of blood.